"The radiation environment in deep space is several hundred times what it is on Earth, and that's even inside a shielded spacecraft, " Zeitlin said.
We'll finish what we started, and remind the world just what it is that makes America the greatest nation on Earth.
WHITEHOUSE: Remarks by the President at a Campaign Event -- Tampa, FL
"What's different about them is that spreading ridges on the Earth typically spread symmetrically about a rift, " he said.
Learning about how we, ourselves, work and how we can handle changes if we go somewhere very different than what we're used to is something that's valuable also on Earth, because our environment changes on Earth, too -- and in terms of health and medicine, we understand better how our own bodies work.
WHITEHOUSE: President Obama's call to the International Space Station
What's certain is that the Sahara is one of the hardest places on earth for an outsider to understand.
Mr Lee's struggle to win approval for the FTA in what is one of the most trade-dependent nations on earth foreshadows political problems that are almost bound to arise elsewhere during attempts to enlarge the TPP.
ECONOMIST: A battle over American-led free trade brews in Asia
So what is the probability that the meteor hits and the asteroid passes Earth on the same day when someone could record it on video?
What I learn from people is that courage can be boundless and love is stronger than anything on earth.
FORBES: Inspiration From An Incredible Daughter With A Problem Father
And it is hoped that there will be numerous things to find from these discoveries, including further clues as to what caused the untimely extinction of the dinosaurs 65 million years ago - the most prominent theory being that it was the result of an asteroid hitting the Earth on what is now the coast of Mexico.
BBC: NEWS | Science/Nature | Golden age of dino finds forecast
But, even assuming that Mr Eigen is on the side of the angels, that still raises the question: what on earth can he do about it?
And is it surprising to people in the Middle East that a black man could be president of what is arguably still the most powerful nation on earth?
The good news is that below a certain size, depending on what they're made of, some near-Earth asteroids don't pose any danger, burning up as they pass through the atmosphere.
But notice, that extra tail of a line crosses the entire range of background radiation on Earth, what is considered normal, what humans and every other life form has lived with long before we split the atom.
应用推荐